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Code Issues Releases Activity

Add pluggable codec support

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This commit is contained in:
Asim
2015-11-25 19:50:05 +00:00
parent 04e07f4b39
commit 12a1e1eeda
8 changed files with 248 additions and 64 deletions
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34
server/rpc_codec.go
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@ -2,11 +2,9 @@ package server
import (
"bytes"
"fmt"
"github.com/micro/go-micro/transport"
rpc "github.com/youtube/vitess/go/rpcplus"
js "github.com/youtube/vitess/go/rpcplus/jsonrpc"
pb "github.com/youtube/vitess/go/rpcplus/pbrpc"
)
type rpcPlusCodec struct {
@ -36,30 +34,21 @@ func (rwc *readWriteCloser) Close() error {
return nil
}
func newRpcPlusCodec(req *transport.Message, socket transport.Socket) rpc.ServerCodec {
func newRpcPlusCodec(req *transport.Message, socket transport.Socket, cf codecFunc) rpc.ServerCodec {
rwc := &readWriteCloser{
rbuf: bytes.NewBuffer(req.Body),
wbuf: bytes.NewBuffer(nil),
}
r := &rpcPlusCodec{
socket: socket,
buf: rwc,
codec: cf(rwc),
req: req,
buf: &readWriteCloser{
rbuf: bytes.NewBuffer(req.Body),
wbuf: bytes.NewBuffer(nil),
},
socket: socket,
}
switch req.Header["Content-Type"] {
case "application/octet-stream":
r.codec = pb.NewServerCodec(r.buf)
case "application/json":
r.codec = js.NewServerCodec(r.buf)
}
return r
}
func (c *rpcPlusCodec) ReadRequestHeader(r *rpc.Request) error {
if c.codec == nil {
return fmt.Errorf("unsupported content type %s", c.req.Header["Content-Type"])
}
return c.codec.ReadRequestHeader(r)
}
@ -68,19 +57,14 @@ func (c *rpcPlusCodec) ReadRequestBody(r interface{}) error {
}
func (c *rpcPlusCodec) WriteResponse(r *rpc.Response, body interface{}, last bool) error {
if c.codec == nil {
return fmt.Errorf("unsupported request type: %s", c.req.Header["Content-Type"])
}
c.buf.wbuf.Reset()
if err := c.codec.WriteResponse(r, body, last); err != nil {
return err
}
return c.socket.Send(&transport.Message{
Header: map[string]string{"Content-Type": c.req.Header["Content-Type"]},
Body: c.buf.wbuf.Bytes(),
})
}
func (c *rpcPlusCodec) Close() error {